The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A leading scientist has told Newsweek about new evidence supporting the ...

A rocky cigar-shaped object detected in space last month came from another solar system, astronomers said Monday as they confirmed an unprecedented observation. The discovery may provide clues as to ...

Learn about the formation of the grains within many meteorites, emerging from collisions of planetary bodies in the early ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast-moving body using the world's most powerful telescopes. It was found to be ...

NASA-backed scientists found Jupiter shaped the distribution of life elements early on Nitrogen and phosphorus ratios in meteorites reveal element movement in early solar system Iron meteorites came ...